Class 165: HEAT EXCHANGE ( Manual of U.S. Patent Classification )

U.S. PATENT AND TRADEMARK OFFICE
Information Products Division
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Manual of U.S. Patent Classification
as of June 30, 2000


Class
165
HEAT EXCHANGE


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Subclass Title
ClassTitle ===> HEAT EXCHANGE
4[Patents]REGENERATOR
5[Patents] . Cleaning
6[Patents] . Movable heat storage mass with enclosure
7[Patents] . . With fluid handling system
8[Patents] . . Rotary heat collector
9[Patents] . . . Seals
9.1[Patents] . Checker brick structure
9.2[Patents] . . Gradated flow area, heat capacity or heat resistance
9.3[Patents] . . Having gas supply or exhaust manifold structure
9.4[Patents] . . In casing
10[Patents] . Heat collector
11.1[Patents]WITH ALARM, INDICATOR, SIGNAL, REGISTER, RECORDER, TEST OR INSPECTION MEANS
11.2[Patents] . Remotely controlled inspection means
200[Patents]WITH TIMER, PROGRAMMER, TIME DELAY, OR CONDITION RESPONSIVE CONTROL
201[Patents] . Having heating and cooling capability
202[Patents] . . Vehicle installation
203[Patents] . . . Plural temperature regulators for plural zones
204[Patents] . . . Flow control of chest, foot, or defrost air in vehicle
205[Patents] . . Plural temperature regulators for plural zones
206[Patents] . . . Nonbuilding system (e.g., machine tool, chemical analyzer, etc.)
207[Patents] . . . Refrigeration system having an evaporator or condenser in each zone
208[Patents] . . . Central system prioritizes heating and cooling requests from zones
209[Patents] . . . Supervisory central control means overrides zone controller
210[Patents] . . . Heat balancing using waste heat or cold (e.g., heat reclaim, etc.)
211[Patents] . . . Different conditioning means for perimeter zone and core zone
212[Patents] . . . Central temperature conditioned air supplied to each zone
213[Patents] . . . . Mixing within zone of recirculated zone air and supply air adjacent zone air inlet (e.g., induction unit, etc.)
214[Patents] . . . . . Including a fan (e.g., fancoil unit, etc.)
215[Patents] . . . . Reheat adjacent zone air inlet
216[Patents] . . . . Mixing of separate centrally supplied hot and cold stream before discharge into each zone (e.g., dual-duct, etc.)
217[Patents] . . . . Volume flow of discharged air at discharge into zone modulated by zone heating or cooling load (e.g., variable air volume, etc.)
218[Patents] . . . Central temperature conditioned liquid supplied to each zone
219[Patents] . . . . Separate supply and return mains (e.g., two pipe system, etc.)
220[Patents] . . . . . Additional supply main (e.g., three pipe system, etc.)
221[Patents] . . . . . . Additional return main (e.g., four pipe system, etc.)
222[Patents] . . Humidity control
223[Patents] . . . Humidity sensor measures humidity of air in conditioned space
224[Patents] . . . . Additional humidity sensor (e.g., located outside of conditioned space, etc.)
225[Patents] . . . . Humidity sensor controls indirect-contact cooling means
226[Patents] . . . . . Liquid spray onto indirect-contact cooling means
227[Patents] . . . . . Air bypass of indirect-contact cooling means
228[Patents] . . . . . Reheat of cooled air downstream of indirect-contact cooling means
229[Patents] . . . . Humidity sensor controls humidifier
230[Patents] . . . Dewpoint controlled (e.g., control of cooling means by downstream temperature sensor to maintain controlled dewpoint of downstream air, etc.)
231[Patents] . . Congealed material (e.g., frost, etc.) or condensation removal or prevention
232[Patents] . . . Operated by timer or programmer
233[Patents] . . . Operated by temperature sensor
234[Patents] . . Control of static pressure of conditioned space
235[Patents] . . . Space is within aircraft
236[Patents] . . Control of heat storage
237[Patents] . . Means responsive to occupancy of space
238[Patents] . . Means storing set point for particular time of day (e.g., clock thermostat, etc.)
239[Patents] . . . Means to compute time required to reach certain temperature by certain time of day (e.g., morning warm-up, etc.)
240[Patents] . . Heat pump and supplemental heat source
241[Patents] . . . Change-over from heat pump operation to supplemental heat source operation alone
242[Patents] . . . . Responsive to outdoor temperature
243[Patents] . . Means to reset supply air temperature or supply water temperature as function of heat load
244[Patents] . . Means to control fan or pump to regulate supply air flow or supply water flow
245[Patents] . . . Low flow during heating and high flow during cooling
246[Patents] . . . Responsive to pressure
247[Patents] . . . Responsive to temperature
248[Patents] . . Flow of air from outdoors controlled (e.g., minimum outside air, etc.)
249[Patents] . . . Proportion of outdoor air and return air controlled
250[Patents] . . . . Outdoor air used in lieu of operating heating or cooling means (e.g., economy cycle, etc.)
251[Patents] . . . . . Enthalpy sensor
252[Patents] . . . Pre-heat or pre-cool of outdoor air before mixing with returned air
253[Patents] . . Temperature sensor controlling temperature
254[Patents] . . . System selects heating or cooling mode automatically (e.g., responsive to season, ambient light, temperature in conditioned area, etc.)
255[Patents] . . . . Dead band between heating and cooling
256[Patents] . . . . Variable rate of heating or cooling (e.g., plural stages, etc.)
257[Patents] . . . . Room and ambient temperature sensors
258[Patents] . . . . Separate heating and cooling thermostats
259[Patents] . . . . Single temperature sensing means
260[Patents] . . . Variable rate of heating or cooling (e.g., plural stages, etc.)
261[Patents] . . . . Sequentially activated heat sources or cool sources
262[Patents] . . . . . Timer
263[Patents] . . . Area receives conditioning from simultaneously operated heating and cooling means (e.g., opposed and compensating heating and cooling, etc.)
264[Patents] . . . . Simultaneous heating and cooling only in limited range around set point temperature
265[Patents] . . . Manual changeover between heating and cooling modes (e.g., manual override, etc.)
266[Patents] . Pre-heat or pre-cool of space or device during start-up
267[Patents] . Means to heat or cool for predetermined periods of time (e.g., duty cycle, time-temperature profiler, etc.)
268[Patents] . . Predetermined time variable set point
269[Patents] . . Duty cycle (e.g., pulse duration or pulse frequency modulation, etc.)
270[Patents] . Time delay
271[Patents] . Vehicle or engine speed responsive
272[Patents] . Control of heat pipe heat transfer characteristics
273[Patents] . . Control of quantity of inert gas
274[Patents] . . Control of vapor or liquid flow between evaporator and condenser sections (e.g., by variable restrictions, check valves, etc.)
275[Patents] . Control of amount of conductive gas in confined space between heat source and heat sink
276[Patents] . Control of variable thermal conductivity systems (e.g., heat valves, etc.)
277[Patents] . . Solid heat transfer path
278[Patents] . Vent of system (e.g., overpressure, overtemperature, removal of noncondensable, etc.)
279[Patents] . Pressure and temperature responsive or control
280[Patents] . . Bypass of heat exchanger responsive to both temperature and pressure
281[Patents] . Fluid pressure responsive or control
282[Patents] . . Branched flow of heat exchange material
283[Patents] . . . Bypass of heat exchanger
284[Patents] . . . . Differential pressure operated bypass
285[Patents] . . Flow of one heat exchange material controlled by the pressure of another
286[Patents] . . Flow of one heat exchange material controlled by its own pressure
287[Patents] . Temperature responsive or control
288[Patents] . . Plural temperature sensors
289[Patents] . . . Means to maintain a constant temperature difference between a measured temperature and a controlled temperature
290[Patents] . . . Temperature sensor within or near an area to be conditioned, another tempeerature sensor near the conditioning equipment (e.g., shallow/deep, etc.)
291[Patents] . . . Temperature sensor inside conditioned space, another temperature sensor outdoor (e.g., indoor set point adjusted by outdoor conditions, etc.)
292[Patents] . . . Temperature sensor in treated fluid, another temperature sensor in treating fluid
293[Patents] . . . Temperature sensor prior to heat exchanger and one after
294[Patents] . . . Branched flow of heat exchange material
295[Patents] . . Including mass flow sensor
296[Patents] . . Branched flow of heat exchange material
297[Patents] . . . Bypass of heat exchanger
298[Patents] . . . . Mixture temperature sensing
299[Patents] . . Flow of one heat exchange material controlled by temperature of another
300[Patents] . . Flow of one heat exchange material controlled by its own temperature
301[Patents] . Liquid-level responsive or control means
302[Patents] . . Condenser or evaporator
303[Patents] . Cleaning
41[Patents]WITH VEHICLE FEATURE
42[Patents] . Heating and cooling
43[Patents] . . Vehicle contained common power and heat supply
44[Patents] . Utilizing motion of vehicle
45[Patents]GEOGRAPHICAL
46[Patents]FLEXIBLE ENVELOPE OR COVER TYPE
47[Patents]STRUCTURAL INSTALLATION
48.1[Patents] . Heating and cooling
48.2[Patents] . . Solar
49[Patents] . . Radiant building panel
50[Patents] . . Room heat exchangers with central fluid supply
51[Patents] . Engine
52[Patents] . . Exchange between engine supply and exhaust lines
53[Patents] . Related to wall, floor or ceiling structure of a chamber
54[Patents] . . In a chamber connected passage traversing the structure
55[Patents] . . Projecting shield forms passage with the structure
56[Patents] . . Hollow or recess in the structure connected for exchange fluid flow
57[Patents] . . . Ported to the chamber
58[Patents]HEATING AND COOLING
59[Patents] . With ventilation
60[Patents] . Gas-liquid contactor
61[Patents] . Heating and cooling of the same material
62[Patents] . . Refrigerating system conversion
63[Patents] . . Refrigeration producer
64[Patents] . . Heat generator
65[Patents] . . Heater and cooler serially arranged
66[Patents] . . . Heat exchange between supply and exhaust lines
67[Patents]WITH EXTERNAL SUPPORT
68[Patents] . Legs
69[Patents]RESILIENT VIBRATION DAMPER ISOLATING EXCHANGER ELEMENT
70[Patents]WITH LEAKAGE COLLECTOR
71[Patents]WITH PURGE, OR DRAINAGE, COCK OR PLUG
72[Patents]COVERED ACCESS OPENING
73[Patents] . Cover is, or carries, heat exchanging means
74[Patents] . . Heat exchanging means projects into the covered chamber
75[Patents] . Heating or cooling means within the covered chamber
76[Patents]WITH REPAIR OR ASSEMBLY MEANS
77[Patents] . Hinge
78[Patents] . Guide
79[Patents] . Positioner or retainer for settable material
80.1[Patents]WITH RETAINER FOR REMOVABLE ARTICLE
80.2[Patents] . Electrical component
80.3[Patents] . . Air cooled, including fins
80.4[Patents] . . Liquid cooled
80.5[Patents] . Including liquid heat exchange medium
81[Patents]EXPANSION AND CONTRACTION RELIEVING OR ABSORBING MEANS
82[Patents] . Relieving or absorbing means supports temperature modifier in heat exchanger
83[Patents] . . Flexible fluid confining wall
84[Patents]WITH MEANS FLEXING, JARRING OR VIBRATING HEAT EXCHANGE SURFACE
85[Patents]AGITATOR OR IMPELLER MOTOR OPERATED BY EXCHANGE FLUID
86[Patents]MOVABLE HEATING OR COOLING SURFACE
87[Patents] . Hollow screw type impeller
88[Patents] . Rotor carrying separate chambers for two exchanging fluents
89[Patents] . Rotary drum
90[Patents] . . With means applying fluids for exchange through drum wall
91[Patents] . . . With drum surface scraper
92[Patents] . Hollow strirrer or scraper
93[Patents] . . Material advancer in shelf to shelf device
94[Patents]WITH SCRAPER REMOVING PRODUCT FROM TEMPERATURE MODIFYING SURFACE
95[Patents]WITH CLEANING MEANS FOR HEAT EXCHANGER
96[Patents]WITH ADJUSTOR FOR HEAT, OR EXCHANGE MATERIAL, FLOW
97[Patents] . Flow reversed or crossed within temperature modifying zone
98[Patents] . Adjustable radiator face covering means
99[Patents] . . Discharge grille or diffuser
100[Patents] . Branched flow
101[Patents] . . Controls flow through parallel heating or cooling means
102[Patents] . . Tortuous and straight through branches within heating or cooling drum
103[Patents] . . By pass of heating or cooling means
104.11[Patents]INTERMEDIATE FLUENT HEAT EXCHANGE MATERIAL RECEIVING AND DISCHARGING HEAT
104.12[Patents] . Reversible chemical reaction
104.13[Patents] . Plural intermediate fluent heat exchange materials
104.14[Patents] . . Always out of direct contact with each other
104.15[Patents] . Solid fluent heat exchange material
104.16[Patents] . . Fluidized bed
104.17[Patents] . . Utilizing change of state
104.18[Patents] . . Including means to move heat exchange material
104.19[Patents] . Liquid fluent heat exchange material
104.21[Patents] . . Utilizing change of state
104.22[Patents] . . . Including means to move heat exchange material in liquid state
104.23[Patents] . . . . By direct application of electrical energy to heat exchange material
104.24[Patents] . . . . By application of heat other than in heat receiving area
104.25[Patents] . . . . By application of mechanical energy
104.26[Patents] . . . Utilizing capillary attraction
104.27[Patents] . . . With pressurizing means or degassifying means
104.28[Patents] . . Including means to move heat exchange material
104.29[Patents] . . . Utilizing formed bubble
104.31[Patents] . . . By application of mechanical energy
104.32[Patents] . . With pressurizing means or degassifying means
104.33[Patents] . . Cooling electrical device
104.34[Patents] . Including means to move gaseous heat exchange material
108[Patents]RECIRCULATION
109.1[Patents]WITH AGITATING OR STIRRING STRUCTURE
110[Patents]WITH FIRST FLUID HOLDER OR COLLECTOR OPEN TO SECOND FLUID
111[Patents] . Separate external discharge port for each fluid
112[Patents] . . With downstream pressure or temperature modifier
113[Patents] . . . Surface-type heat exchanger
114[Patents] . . With baffle at inlet to less dense fluid discharge port
115[Patents] . Trickler
116[Patents] . . Shelf to shelf
117[Patents] . . Pipe exterior to pipe exterior
118[Patents] . . Vertical cone or drum
119[Patents]WITH SOLIDS SEPARATOR FOR EXCHANGE FLUID
120[Patents]WITH IMPELLER OR CONVEYOR MOVING EXCHANGE MATERIAL
121[Patents] . Mechanical gas pump
122[Patents] . . Heating or cooling means and gas pump in housing
123[Patents] . . . With injector-type gas pump
124[Patents] . . . Verging gas flow
125[Patents] . . . . Radial flow through annular heating or cooling means
126[Patents] . . . . Single inlet, plural outlets
127[Patents] . . . . . Gas pump for each outlet stream
128[Patents]THERMOSYPHONIC FLUE TYPE
129[Patents] . Heating or cooling means within distinct flue forming enclosure
130[Patents] . Flue formed between facing second fluid containing conduits
131[Patents] . Flues formed by vertical corrugations of heat transmitter
132[Patents]HEATING OR COOLING MEANS IN OPEN COMMUNICATION WITH RESERVOIR
133[Patents]WITH COATED, ROUGHENED OR POLISHED SURFACE
134.1[Patents]WITH PROTECTOR OR PROTECTIVE AGENT
135[Patents]WITH THERMAL OR ACOUSTICAL BLOCKER
136[Patents] . Insulation and temperature modifier within barrier member
137[Patents]CONVERTIBLE
138[Patents]COMBINED
139[Patents]INTERNALLY BRANCHED FLOW, EXTERNALLY PORTED
140[Patents]THREE NON-COMMUNICATING FLUIDS
141[Patents] . Concentric flow chambers
142[Patents]SPUR TUBE PROJECTS INTO ENCLOSURE
143[Patents]PLURAL CASTING-CONDUIT UNITS<< LINE OR COMMON HEADER CONNECTED
144[Patents]LINE CONNECTED CONDUIT ASSEMBLIES
145[Patents] . In common casing
146[Patents]GRADATED HEAT TRANSFER STRUCTURE
147[Patents] . Tapered conduit means
148[Patents]RADIATOR CORE TYPE
149[Patents] . With edge cover or frame means
150[Patents] . Serially connected tube sections
151[Patents] . Side-by-side tubes traversing fin means
152[Patents] . Deformed sheet forms passages between side-by-side tube means
153[Patents] . . With tube manifold
154[Patents]NON-COMMUNICATING COAXIAL ENCLOSURES
155[Patents] . With communicating coaxial enclosure
156[Patents] . Helical conduit means
157[Patents]CASING OR TANK ENCLOSED CONDUIT ASSEMBLY
158[Patents] . Manifold formed by casing section and tube sheet of assembly
159[Patents] . With distinct flow director in casing
160[Patents] . . Longitudinal
161[Patents] . . . Additional transverse baffle
162[Patents] . With support in casing
163[Patents] . Conduit coiled within casing
164[Patents]FLOW PASSAGES FOR TWO CONFINED FLUIDS
165[Patents] . Interdigitated plural first and plural second fluid passages
166[Patents] . . Stacked plates or shells form interplate passages
167[Patents] . . . With plate traversing passages interconnecting alternate spaces
168[Patents]CONDUIT WITHIN, OR CONFORMING TO, PANEL OR WALL STRUCTURE
169[Patents] . Wall forms enclosure
170[Patents] . Opposed plates or shells
171[Patents] . Means spanning side-by-side tube elements
172[Patents]SIDE-BY-SIDE TUBULAR STRUCTURES OR TUBE SECTIONS
173[Patents] . With manifold type header or header plate
174[Patents] . . With internal flow director
175[Patents] . . Inlet and outlet header means
176[Patents] . . . Side by side
177[Patents]TUBULAR STRUCTURE
178[Patents] . With support or flow connector
179[Patents] . Projecting internal and external heat transfer means
180[Patents] . Diverse materials
181[Patents] . With discrete heat transfer means
182[Patents] . . With means spacing fins on structure
183[Patents] . . Longitudinal extending
184[Patents] . . . Helical
185[Patents]HEAT TRANSMITTER
186[Patents]MISCELLANEOUS
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CROSS-REFERENCE ART COLLECTIONS
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900[Patents]COOLING TOWERS
901[Patents]HEAT SAVERS
902[Patents]HEAT STORAGE
903[Patents]CONVECTION
904[Patents]RADIATION
905[Patents]MATERIALS OF MANUFACTURE
906[Patents]REINFORCEMENT
907[Patents]POROUS
908[Patents]FLUID JETS
909[Patents]REGENERATION
910[Patents]TUBE PATTERN
911[Patents]VAPORIZATION
912[Patents]COMBINED OR CONVERTIBLE HEAT EXCHANGE MODES
913[Patents]CONDENSATION
914[Patents]FILMING
915[Patents]FOAMING
916[Patents]OIL COOLER
917[Patents]PRESSURIZATION AND/OR DEGASSIFICATION
918[Patents]HEATED AND COOLED FOOD CABINETS AND/OR TRAYS
919[Patents] . WHEELED
920[Patents]PARTICULATE HEAT EXCHANGE
921[Patents]DEW POINT
DIG 1[Patents]WITH ALARM, INDICATOR, RECORDER, TEST, OR INSPECTION MEANS
DIG 2[Patents] . Energy, efficiency, performance or malfunction
DIG 3[Patents] . Remote control inspection means
DIG 4[Patents] . Sight glass
DIG 5[Patents] . Fluid level or amount
DIG 6[Patents] . Temperature
DIG 7[Patents] . Flow or valve position
DIG 8[Patents] . Leakage
DIG 9[Patents]HAVING A SOLID HEAT STORAGE MASS FOR ABSORBING HEAT FROM ONE FLUID AND RELEASING IT TO ANOTHER (I.E. REGENERATOR)
DIG 10[Patents] . Cleaning storage mass
DIG 11[Patents] . . Reciprocating cleaner device (e.g. scraper, sprayer)
DIG 12[Patents] . . Spray nozzle cleaner
DIG 13[Patents] . Movable heat storage mass with enclosure
DIG 14[Patents] . . Reciprocated linearly
DIG 15[Patents] . . With pump
DIG 16[Patents] . . Rotary storage mass
DIG 17[Patents] . . . With thermal expansion compensating means
DIG 18[Patents] . . . Having means controlling direction or rate of flow
DIG 19[Patents] . . . . Plate type shutter associated with face of storage mass
DIG 20[Patents] . . . Seal and seal-engaging surface are relatively movable
DIG 21[Patents] . . . . Seal engaging a face of cylindrical heat storage mass
DIG 22[Patents] . . . . . Seal defining sector-shaped flow area
DIG 23[Patents] . . . . . Brush-type seal
DIG 24[Patents] . . . . Circumferential seal
DIG 25[Patents] . . . . Heat resistant material seal
DIG 26[Patents] . . . Seal attached to and rotating with storage mass
DIG 27[Patents] . . . With particular rotary bearing or drive means
DIG 28[Patents] . . . . Ring gear surrounding cylindrical storage mass
DIG 29[Patents] . . . Cylindrical storage mass with axial flow passages
DIG 30[Patents] . Mass formed of modules arranged in three dimensional matrix ("Checkerwork")
DIG 31[Patents] . . Gradated flow area, heat capacity or conductivity
DIG 32[Patents] . . Having gas supply or exhaust manifold structure
DIG 33[Patents] . . . With flow control device (i.e. valve)
DIG 34[Patents] . . . With flow distributing baffle
DIG 35[Patents] . . In casing
DIG 36[Patents] . . Distinct passages formed in individual modules
DIG 37[Patents] . Having flow diverting means (e.g. valve) to selectively control flow through storage mass
DIG 38[Patents] . . Correlated control of plural diverting means
DIG 39[Patents] . . . Synchronously rotated flow guiding hoods disposed on opposite sides of fixed regenerator
DIG 40[Patents] . . . Linearly movable diverting means
DIG 41[Patents] . . Rotary diverting means
DIG 42[Patents] . Particular structure of heat storage mass
DIG 43[Patents] . . Element for constructing regenerator rotor
DIG 44[Patents]HAVING FLEXIBLE HEAT EXCHANGE SURFACE CONFORMING TO A SOLID STRUCTURE (E.G., APPLICATOR, ETC.)
DIG 45[Patents] . Conform to head, neck, or face
DIG 46[Patents] . Heat exchange body suit
DIG 47[Patents] . For cooling
DIG 48[Patents] . . Electrical component
DIG 49[Patents] . . Or for heating
DIG 50[Patents] . . . Including a pump or valve
DIG 51[Patents]HAVING EXPANSION AND CONTRACTION RELIEVING OR ABSORBING MEANS
DIG 52[Patents] . For cylindrical heat exchanger
DIG 53[Patents] . . Flexible or movable header or header element
DIG 54[Patents] . . . Movable header (e.g., floating header, etc.)
DIG 55[Patents] . . . . Including guiding means for movable header
DIG 56[Patents] . . . . . Fluid sealing means between movable header and enclosure
DIG 57[Patents] . . . Flexing tubesheet
DIG 58[Patents] . . . Movable tubesheet (e.g., floating tubesheet, etc.)
DIG 59[Patents] . . . . Tubesheet connected to enclosure by expansion joint
DIG 60[Patents] . . Expandable casing for cylindrical heat exchanger
DIG 61[Patents] . . . For plural cylindrical heat exchangers
DIG 62[Patents] . . . Having particular external casing support means
DIG 63[Patents] . . Cylindrical heat exchanger fixed to fixed end supports
DIG 64[Patents] . . . Including intermediate support
DIG 65[Patents] . . . Bent cylindrical heat exchanger
DIG 66[Patents] . . . . Coiled
DIG 67[Patents] . . Cylindrical heat exchanger rectilinearly slidable relative to its support
DIG 68[Patents] . . . Including fluid seal
DIG 69[Patents] . . Pivotal support for cylindrical heat exchanger
DIG 70[Patents] . . Resilient fluid seal
DIG 71[Patents] . Resilient fluid seal for plate-type heat exchanger
DIG 72[Patents]AGITATOR OR IMPELLER MOTOR OPERATED BY FIRST HEAT EXCHANGE FLUID
DIG 73[Patents] . To agitate or move second heat exchange fluid
DIG 74[Patents] . . Agitator structure confines first heat exchange fluid
DIG 75[Patents] . . Agitator structure confines second heat exchange fluid
DIG 76[Patents]WITH SCRAPER FOR REMOVING PRODUCT FROM HEAT TRANSFER SURFACE
DIG 77[Patents] . Screw shaped scraper
DIG 78[Patents] . Linearly operated scraper
DIG 79[Patents] . . Reciprocated linearly
DIG 80[Patents] . Plural scrapers for spaced shelves or chambers
DIG 81[Patents] . Rotary heat exchange scraper or scraper for rotary heat exchange surface
DIG 82[Patents] . . Grooved drum surface
DIG 83[Patents] . . Scraper attached to or formed part of rotary heat exchange fluid surface
DIG 84[Patents] . . Scraper within annular space formed by concentric cylinders or concentric conical surfaces
DIG 85[Patents] . . Scraper for cleaning inner surface of rotary heat exchange surface
DIG 86[Patents] . . Weight operated scraper
DIG 87[Patents] . . Spring pressed scraper
DIG 88[Patents] . . Adjustable scraper
DIG 89[Patents] . . For scraping flat horizontal surface
DIG 90[Patents] . . Scraper blade movable relative to scraper blade support (e.g., pivoting blade, rocking blade, etc.)
DIG 91[Patents] . . For scraping wall of cylindrical heat exchanger
DIG 92[Patents]WITH VALVE OR MOVABLE DEFLECTOR FOR HEAT EXCHANGE FLUID FLOW
DIG 93[Patents] . Adjustable radiator face covering means (e.g., adjustable shield for car radiator, heater core, etc.)
DIG 94[Patents] . . Windowshade type (i.e. sheet feeds off roller)
DIG 95[Patents] . . Rectilinear sliding movement of adjustable cover
DIG 96[Patents] . . Pivotal movement of adjustable cover
DIG 97[Patents] . . . Plural parallel pivotable shutters
DIG 98[Patents] . . . . One shutter section having different flow area or flow direction with another shutter section
DIG 99[Patents] . . . . With fan
DIG 100[Patents] . Flow direction reversed through heat exchanger
DIG 101[Patents] . For controlling supply of heat exchange fluid flowing between hydraulically independent heat exchange sections
DIG 102[Patents] . . Hydraulically independent single-confined-fluid radiator sections for heating ambient air
DIG 103[Patents] . . . Valves each controls a radiator section
DIG 104[Patents] . . Hydraulically independent heat exchange sections connected in parallel
DIG 105[Patents] . . . Correlated valves
DIG 106[Patents] . . . Valves each controls a heat exchange section
DIG 107[Patents] . . . . Hydraulically independent heat exchange tubes disposed in housing (e.g., tank, casing, etc.)
DIG 108[Patents] . . . . . Coiled tubes
DIG 109[Patents] . With by-pass of heat exchanger or heat exchanger section
DIG 110[Patents] . . Bypass within or surrounds heat exchanger
DIG 111[Patents] . . . Heat exchanger enclosing a fluid conduit confining second heat exchange fluid
DIG 112[Patents] . . . . Stove pipe drum having air draft passage for heating ambient air
DIG 113[Patents] . . . Bypass centrally located in heat exchanger
DIG 114[Patents] . . . . Having perforated wall
DIG 115[Patents] . . . . Surrounding by a helical flow channel
DIG 116[Patents] . . . . Plural adjacent flow channel parallel to central bypass
DIG 117[Patents] . . . . . Arranged for series flow therethrough
DIG 118[Patents] . . . Serpentine heat exchange flow path
DIG 119[Patents] . . . Bypass controlled by pivotal damper
DIG 120[Patents] . . U or serpentine heat exchange flow path
DIG 121[Patents] . . . Serpentine heat exchange flow path
DIG 122[Patents] . . . U heat exchange flow path and linear bypass
DIG 123[Patents] . Heat exchange flow path through heat exchanger altered (e.g., crossed, etc.)
DIG 124[Patents] . . Stove pipe drum
DIG 125[Patents] . . . Valve mounted on fixed deflector
DIG 126[Patents] . Total flow rate through heat exchanger controlled by valve
DIG 127[Patents] . . Stove pipe drum
DIG 128[Patents] . . . Including air draft passage for heating ambient air
DIG 129[Patents] . . Valve regulates flow through housing enclosing heat exchanger
DIG 130[Patents] . . . Including valve regulating flow through heat exchanger
DIG 131[Patents] . . Single-confined-fluid radiator for heating ambient air
DIG 132[Patents]WITH ADJUSTOR FOR HEAT FLOW
DIG 133[Patents] . Conduction rate
DIG 134[Patents] . . By varying thickness of conductive layer (e.g., air gap, etc.)
DIG 135[Patents]MOVABLE HEAT EXCHANGER
DIG 136[Patents] . Movable belt or strip transfers heat to or from objects or material thereon
DIG 137[Patents] . Unconstrained movement (e.g., float, etc.)
DIG 138[Patents] . Partially rotable (e.g, rocking, pivoting, oscillation, tilting, etc.)
DIG 139[Patents] . Fully rotatable
DIG 140[Patents] . . Rotating heat exchanger having rotating flow confining structures or chambers for two separate heat exchange fluids
DIG 141[Patents] . . . Concentric flow confining structures or chambers
DIG 142[Patents] . . . . Jacketed shell
DIG 143[Patents] . . . Discrete tubing having length extending along a longitudinal axis of rotating heat exchanger
DIG 144[Patents] . . . . Helical
DIG 145[Patents] . . Radially extending hollow arm on rotating shaft traverses furnance shelf (e.g., rabble arm, etc.)
DIG 146[Patents] . . . Angled blade suspended from arm for advancing material
DIG 147[Patents] . . Fluid impeller or material advancer
DIG 148[Patents] . . . Auger
DIG 149[Patents] . . . . Having hollow blade
DIG 150[Patents] . . . Radial or axial impeller
DIG 151[Patents] . . . . Having hollow blade
DIG 152[Patents] . . Rotating agitator
DIG 153[Patents] . . . Flow space or fluid chamber defined between two relatively movable, closely spaced coextensive surfaces
DIG 154[Patents] . . . Hollow tubing rotates in vessel to stir contents
DIG 155[Patents] . . . . Tubing has radially or axially extending sections
DIG 156[Patents] . . Hollow cylindrical member (e.g., drum, etc.)
DIG 157[Patents] . . . Fluid sprayed onto surface of rotatable cylinder
DIG 158[Patents] . . . Having stationary material removal means
DIG 159[Patents] . . . With particular flow path or defined fluid chamber (e.g., annulus, spiral, etc.)
DIG 160[Patents] . . . . Concentric shells define annular flow space
DIG 161[Patents] . . . . . With means defining particular flow path (e.g., baffle, etc.)
DIG 162[Patents]ONLY DIRECT-CONTACT HEAT EXCHANGE BETWEEN TWO SEPARATELY SUPPLIED FLUIDS
DIG 163[Patents]INCLUDING A MEANS TO FORM FLUID FILM ON HEAT TRANSFER SURFACE (E.G., TRICKLE)
DIG 164[Patents] . Film flow constrained to spiral path
DIG 165[Patents] . Film formed on spirally coiled member
DIG 166[Patents] . Vertically spaced pipe sections contact liquid in underlying troughs
DIG 167[Patents] . Liquid film flows sequentially along upper surfaces of vertically spaced trays (i.e. shelf-to-shelf)
DIG 168[Patents] . Film formed on interior surface of container or pipe
DIG 169[Patents] . . Inside of vertical pipe
DIG 170[Patents] . . . Distributor "cap" mounted in top end of pipe
DIG 171[Patents] . Including means at top end of vertical pipe to distribute liquid film on pipe exterior
DIG 172[Patents] . Film flows along exterior of plural pipe sections
DIG 173[Patents] . . Pipe exterior surfaces about to form continuous surface
DIG 174[Patents] . . Intervening members extend between spaced pipe sections to form continuous surface
DIG 175[Patents] . . Horizontally extending, parallel sections disposed in vertical array (i.e. one pipe directly above another)
DIG 176[Patents] . . . With means suspended beneath pipe surface to guide liquid droplets
DIG 177[Patents] . Film flows along upper surface of tray
DIG 178[Patents] . . Parallel corrugated vertical sheets formed fluid passage therebetween
DIG 179[Patents] . . Container enclosed by casing
DIG 180[Patents] . . Vertically disposable elongated member
DIG 181[Patents] . . Horizontally disposable elongated member
DIG 182[Patents]INDIRECT-CONTACT COOLING TOWER
DIG 183[Patents]INDIRECT-CONTACT EVAPORATOR
DIG 184[Patents]INDIRECT-CONTACT CONDENSER
DIG 185[Patents] . Having stacked plates forming flow channel therebetween
DIG 186[Patents] . . Stacked plates surrounded by housing confining another fluid
DIG 187[Patents] . Having pump downstream of condenser
DIG 188[Patents] . . Pump to remove only uncondensed vapor or air
DIG 189[Patents] . . . From a first-stage direct-contact condenser
DIG 190[Patents] . . . Including second-stage indirect-contact condenser
DIG 191[Patents] . . . Including second-stage direct-contact condenser
DIG 192[Patents] . Including means to heat collected condensate
DIG 193[Patents] . First-stage condenser serially connected to second-stage condenser
DIG 194[Patents] . . First stage direct-contact condenser
DIG 195[Patents] . Including condensate collecting tray connected to condensate drain conduit to divert condensate around a section of heat transfer surface
DIG 196[Patents] . Baffle defines flow passage within header for condensate to bypass portion of vapor flow path
DIG 197[Patents] . Including means for (removing) condensate (from vapor flow path) to bypass portion of vapor flow path
DIG 198[Patents] . Condensate guiding means attached to heat transfer surface
DIG 199[Patents] . . Heat transfer tube surrounds by jacket condensate guiding means
DIG 200[Patents] . . Condensate guiding means forms inside heat transfer tube
DIG 201[Patents] . . Including fin member associated with condensate guiding means
DIG 202[Patents] . Vapor flow passage between vapor inlet and outlet has decreasing cross- sectional area
DIG 203[Patents] . . Coolant tubes arranged in groups to form vapor flow lanes of decreasing cross-sectional area
DIG 204[Patents] . Including a direct-contact heat exchange chamber
DIG 205[Patents] . Space for condensable vapor surrounds space for coolant
DIG 206[Patents] . . Including coiled heat exchange tube
DIG 207[Patents] . . Distinct outlets for separated condensate and gas
DIG 208[Patents] . . . Including vapor guide plate extending across vapor inlet
DIG 209[Patents] . . . Including tube banks arranged in undulating pattern (e.g., w shape)
DIG 210[Patents] . . . Including perforated baffle completely surrounding a group of coolant tube
DIG 211[Patents] . . . Including concave member adjacent to vapor outlet and partially covering a group of coolant tubes
DIG 212[Patents] . . . Including inclined flat condensate guiding means
DIG 213[Patents] . . . Including baffle partially covering a group of coolant tubes
DIG 214[Patents] . . . Including baffle structure for reversing flow direction of vapor
DIG 215[Patents] . . Having longitudinal partition extending parallel to longitudinal axis of coolant tube
DIG 216[Patents] . . Having partition transverse to longitudinal axis of coolant tube
DIG 217[Patents] . Space for coolant surrounds space for vapor
DIG 218[Patents] . . Condensor adapted to cover opening at top of vapor generator
DIG 219[Patents] . . . Radiator cap condenser
DIG 220[Patents] . . U-shaped or spur tubes connected to adjacent inlet and outlet headers
DIG 221[Patents] . . Vapor is the only confined fluid
DIG 222[Patents] . . . Plural parallel tubes confining vapor connecting between spaced headers
DIG 223[Patents] . . Vapor tube enclosed by coolant confining shell
DIG 224[Patents]INCLUDING A MEANS TO FORM A FLUID JET
DIG 225[Patents]WITH SOLID CONVEYOR
DIG 226[Patents] . Screw conveyor
DIG 227[Patents] . Belt conveyor
DIG 228[Patents]WITH FAN OR PUMP
DIG 229[Patents] . Screw conveyor in pipe or tank
DIG 300[Patents] . Injector-type pump
DIG 301[Patents] . . Having nested nozzles
DIG 302[Patents] . Rotary gas pump
DIG 303[Patents] . . Annular heat exchanger
DIG 304[Patents] . . . Axial impeller
DIG 305[Patents] . . . . Located at heat-exchange housing inlet
DIG 306[Patents] . . . . Located at heat-exchange housing outlet
DIG 307[Patents] . . Including plural impellers
DIG 308[Patents] . . . Coaxial impellers
DIG 309[Patents] . . . . Radial impeller
DIG 310[Patents] . . Heat exchanger located at housing inlet or outlet
DIG 311[Patents] . . Including particular flow deflector (e.g., shroud, diffuser, etc.)
DIG 312[Patents] . . . Plural parallel deflectors
DIG 313[Patents] . . . Deflector with curved surface
DIG 314[Patents] . . Radial impeller
DIG 315[Patents] . . . Located at heat-exchange housing inlet
DIG 316[Patents] . . Axial impeller located at heat-exchange housing inlet
DIG 317[Patents] . . Axial impeller located at heat-exchange housing outlet
DIG 318[Patents]WITH DRIVEN AGITATOR
DIG 319[Patents] . Linearly moving agitator
DIG 320[Patents] . Fully rotary agitator
DIG 321[Patents] . . Generating toroidal flow
DIG 322[Patents] . . Including heat exchange jacket-walls
DIG 323[Patents] . . . Heating or cooling coil disposed between jacket-walls
DIG 324[Patents] . . . Agitator having blade sections mounted along rotating shaft
DIG 325[Patents] . . Blade sections mounted along rotating shaft
DIG 326[Patents] . . Agitator and heating or cooling coil disposed in same housing
DIG 327[Patents]THERMOSYPHONIC HAVING VERTICAL AIR DRAFT PASSAGE
DIG 328[Patents] . Air draft passage confined entirely or in part by fin structure
DIG 329[Patents] . . Corrugated fin attached to heat transfer surface
DIG 330[Patents] . . Air draft passage is parallel to flow direction of heating or cooling means
DIG 331[Patents] . Air draft passage confined entirely by heat transfer surface
DIG 332[Patents] . . Coaxial ducts define air draft passage and annular passage for heat exchange fluid
DIG 333[Patents] . . . Including baffle
DIG 334[Patents] . . . . Baffle located in annular passage
DIG 335[Patents] . . Plural air draft passages enclosed by casing
DIG 336[Patents] . . . Angled air draft passage
DIG 337[Patents] . Heating or cooling means entirely surrounded by air draft passage forming casing
DIG 338[Patents] . . Nested or concentric members define annular air draft passage and heating or cooling conduit
DIG 339[Patents] . . . With baffle
DIG 340[Patents] . . Including flow baffle in casing
DIG 341[Patents] . . Parallel heating or cooling tubes or tubular sections (e.g., coil, serpentine, etc.)
DIG 342[Patents]TANK WITH HEAT EXCHANGER
DIG 343[Patents] . Heat exchanger forms all or portion of tank
DIG 344[Patents] . . Spiral coil forms hemispherical vessel
DIG 345[Patents] . . Jacketed vessel
DIG 346[Patents] . . . Flow baffle or fin in annular flow space
DIG 347[Patents] . Heat exchanger forms cover for tank
DIG 348[Patents] . Heat exchanger within tank
DIG 349[Patents] . . Supported by cover for tank
DIG 350[Patents] . . Tubing removably coupled to inlet and outlet at tank wall
DIG 351[Patents] . . Spaced from tank wall
DIG 352[Patents] . . Flow directing baffle associated with heat exchanger tubing
DIG 353[Patents] . Tube coil bonded directly to tank exterior
DIG 354[Patents] . Heat exchanger serially connected to tank
DIG 355[Patents]HAVING SEPARATE FLOW PASSAGE FOR TWO DISTINCT FLUIDS
DIG 356[Patents] . Plural plates forming a stack providing flow passages therein
DIG 357[Patents] . . Forming annular heat exchanger
DIG 358[Patents] . . . Radially arranged plates
DIG 359[Patents] . . Including means for modifying thermal stress in heat exchange plate
DIG 360[Patents] . . Stacked plates having plurality of perforations
DIG 361[Patents] . . Circular flow passages between plates
DIG 362[Patents] . . Heat exchange liquids separated by double walls
DIG 363[Patents] . . Slotted plates forming grid
DIG 364[Patents] . . With fluid traversing passages formed through the plate
DIG 365[Patents] . . . Including peripheral seal element forming flow channel bounded by seal and heat exchange plates
DIG 366[Patents] . . . . Rigid or semi-rigid peripheral seal frame
DIG 367[Patents] . . . . Peripheral seal element between corrugated heat exchange plates
DIG 368[Patents] . . . . . Including angled corrugations with respect to flow direction
DIG 369[Patents] . . . . Including seal to plate attachment means
DIG 370[Patents] . . . Unitary heat exchange plate and projecting edge
DIG 371[Patents] . . . Including mating flanges around fluid traversing passage
DIG 372[Patents] . . . Adjacent heat exchange plates having joined bent edge flanges for forming flow channels therebetween
DIG 373[Patents] . . Adjacent heat exchange plates having joined bent edge flanges for forming flow channels therebetween
DIG 374[Patents] . . . Liquid to air heat exchanger having liquid passage formed by joined sheets
DIG 375[Patents] . . . . Transverse air tubes
DIG 376[Patents] . . . . Air passages defined by spacing projections of sheets
DIG 377[Patents] . . . . . Spacing projections formed by folded sheet portions
DIG 378[Patents] . . . . . . Including intermediate sheet supporting opposed spacing projections
DIG 379[Patents] . . . . Including corrugated air fin passages between adjacent liquid passages
DIG 380[Patents] . . . . . Air fin conforms to joined corrugated sheets forming plural liquid chambers
DIG 381[Patents] . . . . . Including air fin apertures
DIG 382[Patents] . . . Overlapping flanges
DIG 383[Patents] . . . Interlocking flanges
DIG 384[Patents] . . . Thermally bonded side edges
DIG 385[Patents] . . Bent sheet forming a single tube
DIG 386[Patents] . . . To form only air passages
DIG 387[Patents] . . Including side-edge seal or edge spacer bar
DIG 388[Patents] . . . Including spacer bar transverse to plate stack
DIG 389[Patents] . . . Flow enhancer integral with side-edge seal or edge spacer bar
DIG 390[Patents] . . . Flange element to connect two adjacent heat exchange plates
DIG 391[Patents] . . . Including intermediate corrugated element
DIG 392[Patents] . . . Unitary heat exchange plate and projecting edge
DIG 393[Patents] . . Including additional element between heat exchange plates
DIG 394[Patents] . . . Corrugated heat exchange plate
DIG 395[Patents] . Monolithic core having flow passages for two different fluids (e.g., one- piece ceramic, etc.)
DIG 396[Patents] . . Plurality of stacked monolithic cores
DIG 397[Patents] . . Including conduits embedded in monolithic block
DIG 398[Patents] . Spirally bent heat exchange plate
DIG 399[Patents] . Corrugated heat exchange plate
DIG 400[Patents] . Shell enclosed conduit assembly
DIG 401[Patents] . . Including tube support or shell-side flow director
DIG 402[Patents] . . . Manifold for shell-side fluid
DIG 403[Patents] . . . Preheater for shell-side fluid for preventing thermal shock to tube sheet
DIG 404[Patents] . . . Serially connected separate shells
DIG 405[Patents] . . . Extending in a longitudinal direction
DIG 406[Patents] . . . . Helically or spirally shaped
DIG 407[Patents] . . . . Internal casing or tube sleeve
DIG 408[Patents] . . . . . Tube sleeve
DIG 409[Patents] . . . . . Including transverse element (e.g., fin, baffle, etc.)
DIG 410[Patents] . . . . . . Movable internal casing connecting to transverse element
DIG 411[Patents] . . . . Connecting to shell by specific structure
DIG 412[Patents] . . . . Including transverse element (e.g., fin, baffle, etc.)
DIG 413[Patents] . . . . For directing flow along the length of tube
DIG 414[Patents] . . . . For supporting coil tubes
DIG 415[Patents] . . . . Including perforations
DIG 416[Patents] . . . Extending transverse of shell (e.g., fin, baffle, etc.)
DIG 417[Patents] . . . . Including spacer or support for transverse tube support or shell-side flow director
DIG 418[Patents] . . . . . Tubular spacer sleeve
DIG 419[Patents] . . . . . Spacer or support connected to shell
DIG 420[Patents] . . . . Segmented plate
DIG 421[Patents] . . . . Disc and donut plates
DIG 422[Patents] . . . . Unitary tube support or shell-side flow director carried by single tube
DIG 423[Patents] . . . . Bar
DIG 424[Patents] . . . . . Forming grid structure
DIG 425[Patents] . . . . . Having ends connected to ring element
DIG 426[Patents] . . . . Clamped tube spacer or support
DIG 427[Patents] . . Manifold for tube-side fluid (i.e., parallel)
DIG 428[Patents] . . . Including flow director in manifold
DIG 429[Patents] . . . Line-connected conduit assemblies
DIG 430[Patents] . . . . Manifolds connected in parallel (e.g., Multi-stage, etc.)
DIG 431[Patents] . . . . Manifolds connected in series
DIG 432[Patents] . . . Including a tube sheet
DIG 433[Patents] . . . . Tubes-tubesheet connection
DIG 434[Patents] . . . . . Plural strips forming tubesheet
DIG 435[Patents] . . . Plural bonded conduit end portions (i.e., tubesheet not needed)
DIG 436[Patents] . . . Bent conduit assemblies
DIG 437[Patents] . . . . Coiled
DIG 438[Patents] . . . . . Helical
DIG 439[Patents] . . Serially connected conduit assemblies (i.e., no manifold)
DIG 440[Patents] . . Coiled conduit assemblies
DIG 441[Patents] . . . Helical
DIG 442[Patents] . Conduits
DIG 443[Patents] . . Adjacent conduits with transverse air passages (e.g., radiator core type, etc.)
DIG 444[Patents] . . . Including transversely stacked fin sheets
DIG 445[Patents] . . . Including transverse corrugated fin sheets
DIG 446[Patents] . . . Including intermediate sheet between adjacent tubes forming air fin passages
DIG 447[Patents] . . . . Corrugated sheet
DIG 448[Patents] . . Air conduits (e.g., radiator core type, etc.)
DIG 449[Patents] . . Vertically stacked conduits
DIG 450[Patents] . . . Including integral abutting or interlocking elements
DIG 451[Patents] . . Including bent conduits
DIG 452[Patents] . . Including fins
DIG 453[Patents] . Plural elements arranged to form a fluid passage
DIG 454[Patents]HAVING SIDE-BY-SIDE CONDUITS STRUCTURE OR CONDUIT SECTION
DIG 455[Patents] . Readily detachable tubes having ends with distinct fluid coupling members engaging corresponding coupling members on manifold
DIG 456[Patents] . Readily and independently detachable sections
DIG 457[Patents] . . Individual manifolds for each section
DIG 458[Patents] . Self-contained sections hydraulically connected in series
DIG 459[Patents] . Strips with shaped, interfitted edges form heat exchanger core with plural passages
DIG 460[Patents] . . With spacers interposed between adjacent passages
DIG 461[Patents] . Plate fins formed with tubular projections which join with projections of adjacent plates to form parallel conduits
DIG 462[Patents] . . Tapering, nested projections
DIG 463[Patents] . . . Conduits oblong in cross section
DIG 464[Patents] . Conduits formed by joined pairs of matched plates
DIG 465[Patents] . . Manifold space formed in end portions of plates
DIG 466[Patents] . . . Manifold spaces provided at one end only
DIG 467[Patents] . . With turbulence enhancing pattern embossed on joined plates
DIG 468[Patents] . Core formed by stack tubular members with abutting edges
DIG 469[Patents] . Reinforcing rod or strip extends across parallel fin edges
DIG 470[Patents] . Tensioning member within manifold
DIG 471[Patents] . Plural parallel conduits joined by manifold
DIG 472[Patents] . . U-shaped conduits connected to side-by-side manifolds
DIG 473[Patents] . . With clamping member at joint between header plate and header tank
DIG 474[Patents] . . . With compressible seal at joint
DIG 475[Patents] . . . Header plate and tank of dissimilar materials
DIG 476[Patents] . . Fusion joint (e.g., solder, braze) between tube plate and header tank
DIG 477[Patents] . . Elastic seal element between conduit ends and receiving holes in header plate
DIG 478[Patents] . . Separate means employed for mechanical attachment and hydraulic seal of conduit ends to header plate
DIG 479[Patents] . . Tubes joined to tube plate with adhesive (e.g., glue or braze compound)
DIG 480[Patents] . . Elongated support members extending between spaced manifolds
DIG 481[Patents] . . Partitions in manifold define serial flow pattern for conduits/conduit groups
DIG 482[Patents] . . . Partitions are separate members
DIG 483[Patents] . . Flow deflecting/retarding means in header for even distribution of fluid to plural tubes
DIG 484[Patents] . . . Orifices mounted at conduit ends
DIG 485[Patents] . . Unitary ("one-piece") header structure
DIG 486[Patents] . . Corrugated fins disposed between adjacent conduits
DIG 487[Patents] . . . Louvered
DIG 488[Patents] . . Header is rounded in cross section (e.g., circular, oval)
DIG 489[Patents] . . Two piece header structure
DIG 490[Patents] . . Noncircular tube cross section (oval, triangular, etc.)
DIG 491[Patents] . . Manifolds formed in core-enclosing frame
DIG 492[Patents] . Plural conduits with ends connected to tube plate
DIG 493[Patents] . . Welded or fused joint between conduit end and plate
DIG 494[Patents] . . Conduit end deformed (e.g., expanded) to affix to plate
DIG 495[Patents] . Single unitary conduit structure bent to form flow path with side-by-side sections
DIG 496[Patents] . . Spiral or helical coil
DIG 497[Patents] . . Serpentine flow path with straight side-by-side sections
DIG 498[Patents] . . . Fin assembly extends across side-by-side sections
DIG 499[Patents] . With parallel tubes or tube sections having ends joined to opposed frame members
DIG 500[Patents] . Side-by-side conduits with fins
DIG 501[Patents] . . Plate fins penetrated by plural conduits
DIG 502[Patents] . . . Lanced
DIG 503[Patents] . . . . Angled louvers
DIG 504[Patents] . . . Contoured fin surface
DIG 505[Patents] . . Corrugated strips disposed between adjacent conduits
DIG 506[Patents] . Side-by-side conduits with means (e.g., support grid) holding them in spaced relation
DIG 507[Patents] . Straight side-by-side conduits joined for flow of one fluid
DIG 508[Patents] . . Side-by-side conduits penetrate parallel plate-type fins
DIG 509[Patents] . . Side-by-side conduits lie in common plane
DIG 510[Patents]HAVING HEAT EXCHANGE SURFACE TREATMENT, ADJUNCT OR ENHANCEMENT
DIG 511[Patents] . Polished heat transfer surface
DIG 512[Patents] . Coated heat transfer surface
DIG 513[Patents] . . Corrosion resistant
DIG 514[Patents] . . Hydrophilic/hydrophobic coating
DIG 515[Patents] . Patterned surface (e.g., knurled, grooved)
DIG 516[Patents] . . Subsurface pockets formed
DIG 517[Patents] . Roughened surface
DIG 518[Patents] . Conduit with discrete fin structure
DIG 519[Patents] . . porous or mesh
DIG 520[Patents] . . Internal and external
DIG 521[Patents] . . . Pin fins penetrating conduit wall
DIG 522[Patents] . . Transverse fins spaced along conduit
DIG 523[Patents] . . . Separated by integral flanges engaging conduit exterior
DIG 524[Patents] . . Longitudinally extending
DIG 525[Patents] . . . Helical
DIG 526[Patents] . . . . Spine or loop fins
DIG 527[Patents] . . . Integrally formed
DIG 528[Patents] . . Fin and conduit of diverse materials
DIG 529[Patents] . With structure for promoting turbulence and/or breaking up laminar flow adjacent heat transfer surface
DIG 530[Patents] . . Conduit insert
DIG 531[Patents] . With wicking structure
DIG 532[Patents]HEAT EXCHANGE CONDUIT STRUCTURE
DIG 533[Patents] . Composite of diverse materials
DIG 534[Patents] . . Concentric layers
DIG 535[Patents] . Helically formed
DIG 536[Patents] . Noncircular cross-section
DIG 537[Patents] . . Oblong or elliptical
DIG 538[Patents] . With particular flow connecting structure
DIG 539[Patents]HAVING A HEAT STORAGE MASS
FOR 100PROCESS (165/1)
FOR 101 . Heating and cooling (165/2)
FOR 102 . . Humidity adjusting (165/3)
FOR 103TIME OR PROGRAM ACTUATOR (165/12)
FOR 104AUTOMATIC CONTROL (165/13)
FOR 105 . Heating and cooling (165/14)
FOR 106 . . With cabin pressure control (165/15)
FOR 107 . . With ventilation control (165/16)
FOR 108 . . Defrosting (165/17)
FOR 109 . . With control of heat storage (165/18)
FOR 110 . . With gas and liquid contact fluid flow control (165/19)
FOR 111 . . . By humidity sensor (165/20)
FOR 112 . . With humidity sensor controlling humidity (165/21)
FOR 113 . . Correlation of plural zone controls and central system control (165/22)
FOR 114 . . Responsive to vehicle body motion (165/23)
FOR 115 . . With manual control (165/124)
FOR 116 . . . Manual selector modifies automatic control (165/25)
FOR 117 . . Single sensor controls both heating and cooling (165/26)
FOR 118 . . Selective heating or cooling (165/27)
FOR 119 . . . Room and ambient temperature sensors (165/28)
FOR 120 . . Heat pump with supplemental heat (165/29)
FOR 121 . . Opposed compensating heating and cooling (165/30)
FOR 122 . . Pressure response or control (165/31)
FOR 123 . Temperature or pressure (165/32)
FOR 124 . . With correlated manual actuation (165/33)
FOR 125 . . Branched flow of exchanging fluid (165/34)
FOR 126 . . . By-pass of heat exchanger (165/35)
FOR 127 . . . . Mixture temperature sensing (165/36)
FOR 128 . . . . . With pressure response (165/37)
FOR 129 . . . . Pressure controlled (165/38)
FOR 130 . . Flow of one heat exchanging material controlled by the condition of another (165/37)
FOR 131 . . Flow of heat exchanging material controlled by its own condition (165/40)


Information Products Division -- Contacts

Questions regarding this report should be directed to:

U.S. Patent and Trademark Office
Information Products Division
PK3- Suite 441
Washington, DC 20231

tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov


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Last Modified: 6 October 2000